1) When antidiuretic hormone levels are low, ________________. A. a small volume of concentrated urine is excreted B. most of...

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Medical Sciences

1)

When antidiuretic hormone levels are low, ________________.

A.

a small volume of concentrated urine is excreted

B.

most of the water reaching the collecting ducts is notreabsorbed

C.

nearly all of the filtered water is reabsorbed

D.

sodium solute concentrations will be low

E.

aquaporins are inserted into the collecting duct cellmembranes

2)

Select the correct order of structures a mature sperm willtravel through during ejaculation.

1. Spongy urethra 2. Ductus deferens 3. Ejaculatory duct 4.Prostatic urethra

A.

2,3,4,1

B.

3,1,4,2

C.

3,2,4,1

D.

1,2,3,4

E.

2,3,1,4

3)

During swallowing:

A.

the soft palate elevates during the buccal phase

B.

a bolus of food is formed during the pharyngeal-esophagealphase

C.

the upper esophageal sphincter relaxes in thepharyngeal-esophageal phase

D.

the epiglottis closes over the larynx during the buccalphase

E.

the buccal phase ends when food enters the esophagus

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Answerb most of the water reaching the collecting duct is notreabsorbedReasonMain function of    See Answer
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