Honors Human Biology Pre-Test
The following questions were derived from concepts presented throughout this course.
Your LAST name:
1. Which of the following cells have granules containing histamine and heparin?
2. What body cavity contains both the brain and the spinal cord?
3. The pulmonary trunk receives blood from the:
4. The exchange of nutrients and gases between the blood and tissue cells is primarily a function of:
5. If the stroke volume of the heart is known to be 80 ml and the heart rate is 80 BPM, the cardiac output would be:
6. Which of the following vessels is the first to branch from the aorta?
the right subclavian artery
the right common carotid artery
the left common carotid artery
a coronary artery
7. The primary structure for proteins:
refers to the amino acid sequence of the peptide chain
is only seen in very large proteins
has no effect of tertiary structure
is determined by “R” group interactions
is determined by hydrogen bonding
8. The concentration gradient of sodium across the cell membrane is maintained by:
9. Bile is manufactured by cells in the:
islets of Langerhans
10. The control of pancreatic, liver, and intestinal secretion is achieved in part by hormones secreted by the:
11. Chemical (enzymatic) digestion of protein begins in the:
12. HCl is related to pepsinogen as enterokinase is related to:
13. One of the endocrine glands develops within the sympathetic nervous system during embryological development. Considering your knowledge of function, this endocrine gland is the:
14. Hormones like testosterone and estrogen are produced from precursor molecules of:
15. Which of the following anterior pituitary (adenohypophysis) hormones is most directly involved in the stress response?
16. What type of epithelium covers the body and serves as protection for the body surface?
17. Which connective tissue has an extracellular matrix of hydroxyapatite crystals?
18. In negative feedback, the response of the system:
always causes the body condition being regulated to increase in value
leads to further and further deviation from an original value
always causes the body condition being regulated to decrease in value
amplifies the initial stimulus
opposes the initial stimulus
19. In the integument, which of the following is a protective response against the damaging effects of ultraviolet radiation?
increasing melanin production
increasing the thickness of the dermis
increasing collagenous fibers
increasing blood circulation to the skin
decreasing elastic fibers
20. In response to antigenic challenge, B cells:
differentiate into cytotoxic cells
differentiate into plasma cells and release antibodies
increase their phagocytic properties
differentiate into T cells and release interferon
activate helper T cells
21. The lymphatic organ which gradually decreases in size after puberty and also becomes increasingly fibrous is the:
22. Calcium is important in skeletal muscle contraction because it:
is stored in the sarcoplasmic reticulum during contraction
directly provides the energy needed to put the myosin head in its high-energy or cocked position
binds to troponin, moving tropomyosin molecules to expose the active sites on actin
leaves the muscle fiber and moves into the extracellular compartment during contraction
provides the intercellular matrix support for myoblast cells
23. The ion that enters a presynaptic axon terminal and directly causes the release of a neurotransmitter from synaptic vesicles is:
24. Receptors for static and dynamic equilibrium are located in the:
auditory canal and tympanic membrane
semicircular canals and vestibule
round and oval windows
middle ear ossicles
cochlea and scala media
25. Which of the following events occurs at ovulation in the female?
implantation of the blastocyst
onset of menstruation
release of a secondary oocyte
fertilization of the ovum
conversion of a corpus luteum into a mature follicle
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