Texas A&M University (TAMU) BIOL 319 Integrated Human Anatomy and Physiology I Lab 4 Practice Test

These questions are part of the practice quiz. Start practicing

• Which joint is defined as a ligamentous connection between bones, such as the tibia and fibula?
• What is the role of the Purkinje network in the heart?
• Which epidermal layer is present in thick skin but not in thin skin?
• Outline the major steps of a chemical synapse from action potential arrival to neurotransmitter clearance.
• Which term describes movement that increases the angle between the bones (e.g., straightening the elbow)?
• Which epidermal layer is the second most superficial?
• Which term describes a joint movement where the soles of the feet are raised up off the floor and the angle between the ankle and the tibia/fibula is decreased?
• Which joint involves an interposition of cartilage plate and is exemplified by epiphyseal plates?
• Name a major COPD-related condition that reduces alveolar surface area and airflow.
• Which term describes moving the thumb from opposition back to the anatomical position?
• Which joint permits movement in three planes, such as the shoulder and hip?
• Which epidermal layer is found only in the thick skin of the fingers, palms, and soles and is the second most superficial layer?
• Which joint type is described as fibrous connections with interlocking projections and is located between the bones of the skull?
• Which protein structures make up muscle fibers?
• Identify the three primary categories of muscle tissue and one key functional difference between them.
• Which joint type is defined as a complex joint bounded by a joint capsule and containing synovial fluid?
• Wavelength is defined as
• During the fight-or-flight response, which changes occur in heart rate, blood flow distribution, and airway diameter?
• Which statement describes negative feedback in maintaining homeostasis?
• Which joint is a complex joint bounded by a joint capsule and containing synovial fluid, with numerous forms and movement?
• Which term describes the movement of the thumb to touch the tip of the little finger?
• Which joint is found at the base of each thumb and allows grasping and rotation?
• Which joint refers to the fusion of bones into a solid mass of bone, such as in portions of the skull or along epiphyseal lines?
• Which joint features an egg-shaped articular surface of one bone fitting into an oval concavity in another; knuckle joints?
• Which term describes the circular movement of a limb?
• Which structural feature is characteristic of cardiac muscle that helps synchronize contractions?
• Which ECG waveform represents atrial depolarization?
• What is the function of intercalated discs in cardiac muscle?
• What is the correct order of the epidermal layers from superficial to deep?
• Which type has free movement?
• Which alveolar cell type is primarily responsible for gas exchange due to its thin barrier?
• Which epidermal layer contains stem cells capable of undergoing cell division to form new epidermal cells?
• Which statement correctly describes the compensatory response to metabolic alkalosis?
• Which protein composes thin filaments?
• Which term describes movement that moves the palms up?
• Which term describes rotation away from the midline?
• What are the two primary types of bone ossification?
• What is motor unit recruitment and why is it important for graded force?
• Which term describes straightening a joint, increasing the angle between bones?
• Which glands secrete by exocytosis and funnel to the skin surface a thin sweat that is 99% water?
• Which dermal layer is the outermost layer directly underneath the epidermis?
• Endochondral ossification forms bone by replacement of which precursor model?
• Purkinje fibers are part of which conducting system in the heart?
• The distance between two consecutive crests is called
• In skeletal muscle, what triggers the release of calcium from the sarcoplasmic reticulum?
• Which connective tissue surrounds individual muscle fibers?
• Which structural unit is formed by concentric lamellae around a central canal in compact bone?
• Which component is NOT typical of eccrine sweat?
• Which option correctly lists the steps of the Powerlab process for signal conditioning?
• Which alveolar feature maximizes surface area for gas exchange?
• Meissner's corpuscles are sensitive to which stimulus?
• Which statement best describes the difference between plasma and serum?
• Which glands secrete sebum into hair follicles?
• Which type of joint has no movement?
• Frequency is defined as which of the following?
• Which protein forms thin filaments in muscle fibers?
• How do compact bone and cancellous bone differ structurally?
• How does positive feedback operate during parturition?
• The hypodermis is best described as:
• Systole is defined as which of the following?
• Which term best describes a joint with free movement?
• Which term means turning movement of bones at a joint?
• Define a motor unit and explain how recruitment contributes to graded force production.
• What is the functional significance of an osteon and its lamellae in compact bone?
• What is the plasma membrane of a muscle fiber called?
• Which joint is between the teeth and jaws?
• What is the primary function of red blood cells, and which protein enables this function?
• Which term describes the joint movement where the angle between the ankle and the tibia/fibula is increased?
• Ruffini endings are responsible for sensitivity to which aspect of the skin?
• Which term describes movement that decreases the angle between the articulating bones in a joint?
• Describe the sliding filament mechanism and name the two main proteins involved in cross-bridge cycling.
• Why is there a conduction delay at the AV node, and what is its functional significance?
• Which neuron component conducts impulses away from the cell body, and what structural feature speeds conduction?
• Which structure extends from Z line to Z line?
• Which movement moves the toes toward the midline of the body?
• In a skeletal muscle fiber, what is the role of transverse tubules (t-tubules) and the sarcoplasmic reticulum during contraction?
• Which bone cell secretes the organic matrix, osteoid, that later mineralizes to form bone?
• Which term describes the maximum amount of air exhaled after a maximal inhalation?
• Which organ systems participate in compensating metabolic alkalosis?
• Merocrine secretion is exocytosis for secretory products without cell destruction.
• Which complex regulates access to actin's myosin-binding sites and exposes them when calcium binds?
• Where are Meissner's corpuscles primarily located?
• Erythema refers to which skin change?
• Which term describes the lateral movement of the ankle to move the foot so that the toes point away from the midline of the body?
• Which statement about renal involvement in bicarbonate buffering is true?
• Vitamin D is used for:
• Which epidermal layer is the clear layer that is found only in thick skin?
• Which joint is the elbow/knee an example of?
• Which protein forms thick filaments in muscle fibers?
• In the alveoli, how does diffusion relate to gas exchange?
• What are the two layers of the dermis?
• A widened QRS complex on an electrocardiogram most likely indicates
• Which term describes forced extension beyond normal extension and may result in injury to the joint, articulating bones and regional muscles?
• Identify two electrolytes whose abnormal levels can affect cardiac conduction and briefly describe the effect.
• Which term describes the movement of the thumb from opposition back to the anatomical position?
• Which cells are primarily responsible for bone resorption?
• What is the typical resting heart rate range for adults?
• Apocrine secretions occur by which process?
• Which secretion process describes the release of secretions via budding off the plasma membrane to form membrane-bound vesicles in the lumen?
• The joints between adjacent vertebral bodies involve what type of joint connected by a fibrocartilage pad?
• Which cranial nerve carries the sense of smell (olfaction)?
• Which tissue type forms the inner lining of blood vessels and the chambers of the heart?
• Which connective tissue surrounds fascicles?
• Differentiate between aerobic and anaerobic metabolism in skeletal muscle, including typical ATP yield per glucose for each.
• Hematocrit measures what, and why is it clinically relevant?
• Which joint is found at the base of the thumb and enables grasping and rotation?
• Which term describes a joint that is bounded by a capsule and contains synovial fluid as its characteristic feature?
• Which term describes rotation toward the midline?
• From which part of the pituitary is oxytocin released to mediate parturition?
• Which term describes the medial movement of the ankle to move the foot so that the toes point toward the midline of the body?
• Which epidermal layer synthesizes keratohyalin?
• Which epidermal layer is known as the horny layer?
• Which heart sound is best heard at the apex and indicates AV valve closure at the start of systole?
• Which component of blood serves as the fluid matrix in which cells circulate?
• Which is the outermost layer of the skin, primarily composed of keratinocytes?
• Which structure is a fluid-filled sac that reduces friction where a muscle or tendon passes over a bone?
• According to Starling’s law, how does preload influence stroke volume?
• Which type of hair is typically found on legs and arms?
• Which type of joint permits movement in two planes, such as the ribs and wrist?
• Which statement about preload and afterload to stroke volume is correct?
• Which epidermal layer contains 4-6 layers of dark cells that synthesize keratohyalin?
• What is a monosynaptic reflex and provide an example.
• Which movement moves the toes away from the midline of the body?
• Which heart sound is associated with closure of the atrioventricular valves and is heard at the start of systole?
• Free nerve endings function as cutaneous receptors for which sensations?
• Which term means moving a part backward (posteriorly)?
• Which joint operates like a door hinge and permits motion in only one plane?
• Vellus hairs are soft, fine, cover body surface (peach fuzz).
• Which epidermal layer provides strength and flexibility to the skin and forms attachments via desmosomes?
• Which structure surrounds a group of muscle fibers called a fascicle?
• Which joint has a spherical head of one bone fitting into a round socket in another, such as the shoulder or hip?
• Which heart sound is associated with closure of the semilunar valves?
• Which type of joint permits movement in one plane, such as the elbow or ankle?
• Which term is used for the plasma membrane of a muscle fiber?
• Amplitude refers to the maximum displacement of a wave from its rest position. Which term is this?
• Which bands are dark due to overlap of thin and thick filaments?
• Name the cardiac conduction pathway from the sinoatrial (SA) node to the Purkinje network.
• The Powerlab process for signal conditioning includes which steps?
• Which joint permits rotation between radius and ulna around the axis?
• Which cells are primarily responsible for bone formation?
• What surrounds a single muscle fiber?
• Which ion release from the sarcoplasmic reticulum initiates muscle contraction?
• Circumduction describes which type of movement?
• During bone formation, which component is primarily composed of collagen fibers secreted by osteoblasts before mineralization?
• Which statement correctly describes the bicarbonate buffering system?
• Cardiac output is determined by which relationship between heart rate and stroke volume?
• The height of a wave's crest is called
• Apocrine glands are found in the groin, nipples, and axillae and secrete thick sweat into ducts associated with hair follicles.
• In metabolic acidosis, how does the body compensate?
• Which joint is connected by a fibrocartilage pad and is found between the right and left halves of the pelvis or between adjacent vertebral bodies?
• Which term describes moves the palm to face posteriorly?
• Hair receptors are nerve fibers that respond to which of the following?
• Glassy membrane is the basement membrane between the epithelial and dermal root sheaths.
• Which epidermal layer is the deepest layer consisting of stem cells capable of dividing to form new cells?
• Terminal hairs are long, coarse, heavily pigmented hairs (scalp, eyebrows, and eyelashes).
• Amplitude is defined as
• Intermediate hairs are leg and arm hairs (sometimes).
• Which term means moving a part forward (anteriorly)?
• Which term describes bending the vertebral column from side to side?
• Which joint involves rotating bone turns around an axis; e.g., connection between radius/ulna and humerus?
• Which term describes lowering the mandible to take a bite of food?
• Adduction describes movement toward which anatomical reference?
• What term describes the movement that lowers bones in the inferior direction?
• Which receptor is most associated with detecting vibrations and deep pressure?
• Which mode of secretion involves rupture of the secretory cell and destruction of the cell?
• During systole, what do the ventricles do?
• What is the structural difference between simple squamous epithelium and stratified squamous epithelium, and where would you typically find each?
• Which joint allows only gliding movement; carpals/tarsals?
• Which region contains thick filaments only?
• In obstructive lung diseases, which ventilatory metric is most characteristically reduced, and why?
• Which receptor is most closely linked with light touch in the dermal papillae?
• Which protein composes thick filaments?
• In the Frank-Starling mechanism, what is the effect of increasing preload on stroke volume?
• Which bands contain only thin filaments?
• Which term describes movement away from the midline of the body?
• Pacinian corpuscles are most sensitive to which stimulus?
• Which option best lists the components commonly involved in a reflex arc?
• Which histological feature distinguishes skeletal muscle from smooth muscle?
• Merocrine secretion occurs by which process?
• Which alveolar cell type produces surfactant to reduce surface tension?
• Which dermal layer is deeper and supplies the skin with oxygen and nutrients?
• Which term describes moving the palm to face posteriorly?
• Which component of blood primarily functions in gas transport?
• The layer of skin beneath the dermis that stores fat is the?
• What components make up the alveolar-capillary membrane for gas exchange?
• Which term describes rotation away from the midline?
• What term describes the movement that raises bones in the superior direction?
• Which movement is exemplified by closing your mouth?
• Epimysium is the collagenous connective tissue layer that covers the muscle and separate it from neighboring structures.
• Which term describes movement that increases the angle between the bones beyond normal extension?
• Waveform describes
• Which blood component is primarily involved in immune defense?
• Which type has little movement?
• What term describes the shape and form of a signal?
• Which phase of the cardiac cycle is characterized by ventricular relaxation and filling?
• Which cells become embedded within bone matrix and help regulate mineral content and respond to mechanical stress?
• Which of the following is a direct effect of increased preload on the ventricles?
• Which glands excrete perspiration and detoxify by excreting salt and unwanted chemicals?
• Apocrine glands are primarily located in which regions?
• Sebaceous glands secrete sebum into hair follicles.
• Which joint type is described by an egg-shaped articular surface fitting into an oval concavity?
• Which blood component is primarily involved in clotting?
• Which description correctly defines the inspiratory reserve volume (IRV) and expiratory reserve volume (ERV)?
• Frequency is the number of complete wavelengths that pass a point in a given time.
• The joints between teeth and jaws are an example of which fibrous joint type?
• Cancellous bone is characterized by the presence of trabeculae with marrow spaces and the absence of which structure?
• The length from crest to crest of a wave is called
• Which term describes rotation of bones at a joint?
• Which term describes the maximum amount of air that can be exhaled after maximum inhalation?
• What is a Bursa?