Units 1-8 Practice Exam
Your LAST Name:
1. The three main anatomical regions into which the ear is divided are
ceruminous gland, cochlea, and utricle. E) none of the above.
none of theses
malleus, incus, and organ of Corti.
external ear, middle ear, and inner ear.
external ear, tympanum, and stapes.
2. Which of the following is the correct sequence, going from simplest to most complex, in the levels of structural organization of the human body:
chemical level, tissue level, cellular level, organ system level, organ level, organismal level
cellular level, tissue level, chemical level, organ level, organ system level, organismal level
chemical level, cellular level, tissue level, organ level, organ system level, organismal level
cellular level, chemical level, tissue level, organ system level, organismal level, organ level
cellular level, chemical level, tissue level, organ level, organ system level, organismal level
3. The correct order of phases of the cell cycle is:
interphase, prophase, metaphase, anaphase, telophase
prophase, interphase, metaphase, anaphase, telophase
telophase, metaphase, anaphase, prophase
prophase, metaphase, anaphase, telophase
metaphase, anaphase, prophase, telophase
4. Receptors stimulated by the physical forces that cause movement of fluid or vibration within the body are:
5. The plasma membrane of a muscle cell is called the:
6. Which of the following groups of chemicals includes ONLY monosaccharides:
glucose, fructose, maltose
fructose, maltose, sucrose
maltose, sucrose, lactose
fructose, maltose, lactose
glucose, fructose, galactose
7. Functions of the skeletal system include
all of these
8. The small cavities in bone tissue where osteocytes are found are called:
9. The middle coat of the eyeball that contains pigment which prevents light from scattering in the eyeball is the:
10. The tissue that is usually well vascularized and has an extensive extracellular matrix is called:
11. Which of the following is an example of negative feedback?
A rise in blood calcium levels triggers the release of a hormone that further raises blood calcium levels.
Increased blood sugar stimulates the release of a hormone from the pancreas that stimulates the liver to release blood sugar.
Increased pressure in the aorta triggers mechanisms to lower blood pressure.
A increase in body temperature triggers a neural response that initiates physiological changes to increase body temperature.
A rise in estrogen during the menstrual cycle increases the number of progesterone receptors in the uterus.
12. An action potential:
is essential for nerve impulse propagation
is initiated by potassium ion movements
involves the outflux of negative ions to depolarize the membrane
involves the outflux of positive ions to depolarize the membrane
involves the influx of negative ions to depolarize the membrane
13. The atomic number of an atom reveals the number of:
protons plus neutrons
protons in the atomic nucleus
neutrons plus electrons
electrons in the atomic nucleus
protons plus electrons
14. If a substance resists changes in pH, it is called
15. The stomach, liver, intestines, bladder, rectum, and reproductive organs are housed in the:
16. A joint that permits free movement is called a(n)
17. Which of the following is only found in compact bone?
18. The enzyme acetylcholinesterase causes acetylcholine to
bond to actin.
19. Paranasal sinuses are located within which of the following bones? (1) frontal bone (2) sphenoid (3) ethmoid (4) maxilla (5) nasal bone
20. Which of the following is a connective tissue membrane:
21. Creatine phosphate (CP) functions within the muscle cells by:
storing energy that will be transferred to ATP to resynthesize ADP as needed
storing energy that will be transferred to ADP to resynthesize ATP as needed
inducing a conformational change in the myofilaments
forming a chemical compound with actin
forming a temporary chemical compound with myosin
22. Enzymes are classified as:
23. The sympathetic and parasympathetic nervous systems are subdivisions of the:
peripheral nervous system
somatic nervous system
autonomic nervous system
voluntary nervous system
central nervous system
24. Which of the following is the correct order of elements in a control system:
receptor, stimulus, afferent pathway, control center, efferent pathway, effector, response
receptor, stimulus, efferent pathway, control center, afferent pathway, effector, response
effector, stimulus, efferent pathway, control center, afferent pathway, receptor, response
stimulus, receptor, efferent pathway, control center, afferent pathway, effector, response
stimulus, receptor, afferent pathway, control center, efferent pathway, effector, response
25. The substance that is released at axonal endings to propagate a nervous impulse is called:
an action potential
the sodium-potassium pump
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