Which of the following are not found in or around the seminiferous tubules?
A) Interstitial (Leydig) cells
B) Germ cells
C) Spermatids
D) Sustentacular (Sertoli) cells
E) Corpus cavernosum cells
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Question 2) Which of the following is true regarding unmyelinated nerve fibers in the PNS?
A) An oligodendrocyte cells wraps its plasma membrane around each fiber as it does with myelinated fibers.
B) A Schwann cells wraps its plasma membrane around each individual fiber as it does with myelinated fibers.
C) Satellite cells cluster around each axon to form a pseudo-myelin sheath.
D) A Schwann cell folds its plasma membrane around several fibers .
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Question 3) The right shoulder is ________ and ________ to the umbilical region.
A) inferior; lateral
B) superior; lateral
C) posterior; lateral
D) superior; medial
E) inferior; medial
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Question 4) The joint between the diaphyses of the radius and ulna is a ________.
A) symphysis
B) synchondrosis
C) gomphosis
D) syndesmosis
E) suture
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Question 5) All cells in ________ epithelium reach the basement membrane, but only cells that reach the free surface have cilia.
A) stratified squamous
B) stratified columnar
C) pseudostratified columnar
D) stratified cuboidal
E) simple columnar
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Question 6) What might account for a soldier experiencing syncope after standing at attention for a long period of time?
A) Increased heart rate B) Increased respiratory rate
C) Vasoconstriction D) Venous pooling
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Question 7) Which of the following does not stimulate aldosterone secretion?
A) Hyperkalemia
B) Hypotension
C) Hyponatremia
D) High blood sodium concentration
E) High blood potassium concentration
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Question 8) By volume, most of the semen is produced in the ________.
A) bulbourethral glands
B) prostate gland
C) testes
D) penis
E) seminal vesicles
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Question 9) The ________ part of the small intestine is the part closest to the stomach.
A) medial B) distal C) ventral D) dorsal E) proximal
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Question 10) A brush border of microvilli is found in ________ epithelium, which can be found in the ________.
A) simple cuboidal; esophagus
B) pseudostratified; nasal cavity
C) stratified squamous; esophagus
D) simple columnar; small intestine
E) stratified squamous; anal canal
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