1) the ________ provides the principal link between the nervous and endocrine
systems.
a) cerebellum
b) medulla oblongata
c) cerebrum
d) pons
e) hypothalamus
2) cancer cells
a) are indistinguishable from normal body cells.
b) have a slow mitotic rate.
c) may exhibit metastasis.
d) do not form neoplasms.
e) generally form benign tumors.
3) put the following steps of protein synthesis in correct order of occurrence:
1. mrna is produced in nucleus
2. ribosome moves along mrna
3. dna uncoils for transcription
4. polypeptide is produced
5. trna brings amino acids to ribosome
6. mrna moves to ribosome
a) 3, 1, 6, 2, 5, 4
b) 2, 4, 6, 1, 3, 5
c) 2, 1, 5, 4, 3, 6
d) 3, 5, 1, 6, 2, 4
e) 1, 5, 3, 4, 2, 6
4) filtrate in the proximal convoluted tubule normally contains
a) hydrogen ions.
b) water.
c) nutrients.
d) urea.
e) all of the answers are correct.
5) the gelatinous material that gives the eyeball its basic shape is the
a) vitreous humor.
b) aqueous humor.
c) ora serrata.
d) perilymph.
e) posterior cavity.
6) aged and damaged erythrocytes are broken down by macrophages in the
a) spleen.
b) liver.
c) bone marrow.
d) digestive tract.
e) spleen, liver, and bone marrow.
7) adh and aldosterone secretion are part of the body’s long-term compensation for
a) a heart attack.
b) hypertension.
c) a serious hemorrhage.
d) prolonged exercise.
e) a heavy meal.
8) parasympathetic blocking agents can be useful in treating
a) heart failure.
b) high blood pressure.
c) urinary incontinence.
d) hyperactivity.
e) all of the answers are correct.
9) a hormone that stimulates production of granulocytes and monocytes is
a) m-csf.
b) g-csf.
c) gm-csf.
d) multi-csf.
e) thymosin.
10) which of the following descriptions best matches the term endometrium?
a) thick layer of smooth muscle cells
b) supports the uterus anteriorly
c) supports the uterus laterally
d) consists of a functional zone and a basilar zone
e) after ovulation, the ovum is captured by it
11)
figure 24-1 the stomach (dissected)
identify the stomach region labeled “12”.
a) cardia
b) pylorus
c) body
d) fundus
e) rugae
12) which of the following types of nerve fiber possesses the fastest speed of impulse
propagation?
a) type a
b) type b
c) type c
d) type d
e) type e
13) which of the following muscles does not have an action that is antagonistic to the
action of the brachialis muscle?
a) anconeus
b) triceps brachii lateral head
c) triceps brachii long head
d) triceps brachii medial head
e) brachioradialis
14) a hormone that helps to regulate the sodium ion content of the body is
a) cortisol.
b) parathormone.
c) thymosin.
d) somatotropin.
e) aldosterone.
15) which of the following is not considered an abdominopelvic region?
a) right hypochondriac
b) right inguinal region
c) left lumbar
d) left hypochondriac
e) upper
16) molecules that store and process genetic information are the
a) proteins.
b) nucleic acids.
c) carbohydrates.
d) lipids.
e) steroids.
17) the defecation reflex involves
a) sympathetic nerves.
b) sympathetic relaxation of both the internal and external anal sphincters.
c) conscious control of both the internal and external anal sphincters.
d) relaxation of the ileocecal valve to move feces into the rectum.
e) parasympathetic nerve control from sacral nerves.
18) what are common sources of vitamin k?
a) green vegetables
b) organ meats
c) whole grains
d) intestinal bacteria
e) all of answers are correct.
19) during mitosis, two daughter cells form, each of which has
a) a different number of chromosomes than the original cell.
b) twice as many chromosomes as the original cell.
c) the same number of chromosomes as the original cell.
d) a lesser number of chromosomes than the original cell.
e) half as many chromosomes as the original cell.
20) the nucleus is surrounded by the ________.
21) most of the mass of the heart lies to the ________ of the midline.
22) the hormone that dominates the alarm phase of the stress response is ________.
23) what effect would cutting the vagus nerve branch that innervates the stomach have
on gastric function?
24) compounds that alter the rate of neurotransmitter release by the presynaptic neuron
or change the postsynaptic cell’s response to neurotransmitters are called ________.
25) compounds that do not usually contain carbon as the primary structural atom are
called ________ molecules.