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Exploring Anatomy and Physiology in the Laboratory

Erin C. Amerman

Chapter 16

Endocrine System - all with Video Answers

Educators

Chapter Questions

01:43

Problem 1

Label Figure $16.10$ with the terms below.
Adrenal gland Anterior pituitary Hypothalamus Ovary
$\square$ Pancreas
$\square$ Pancreatic islet
$\square$ Parathyroid glands

Joanna Quigley
Joanna Quigley
Numerade Educator
01:05

Problem 2

A hormone is best described as a
a. chemical released into the extracellular fluid that affects neighboring cells.
b. chemical released by a neuron directly onto a target cell.
c. chemical released into the bloodstream that typically acts on distant targets.
d. All of the above describe hormones.

Rikhil Makwana
Rikhil Makwana
Numerade Educator
01:06

Problem 3

The hypothalamus communicates with the via the hypothalamic-hypophyseal portal system.
a. pineal gland
b. anterior pituitary gland
c. posterior pituitary gland
d. parathyroid gland

Joanna Quigley
Joanna Quigley
Numerade Educator
01:59

Problem 4

True/False: Mark the following statements as true (T) or false (F). If the statement is false, correct it to make it a true statement.
a. Insulin triggers actions that raise the concentration of glucose in the blood.
b. Interstitial cells within the testes produce testosterone.
c. Aldosterone is the adrenal hormone responsible for the stress response.
d. Parathyroid hormone triggers actions that lower the concentration of calcium ions in the blood.
e. The posterior pituitary produces no hormones of its own.

Asma Venkitta
Asma Venkitta
Numerade Educator
01:13

Problem 5

Label Figure $16.11$ with the terms below.
$\square$ Follicle cells $\quad \square$ Thyroid follicle
Parafollicular cells

Shubham Kumar
Shubham Kumar
Numerade Educator
00:24

Problem 6

Label Figure $16.12$ with the terms below.
Zona glomerulosa
Adrenal capsule
Zona fasciculata
Adrenal medulla
Zona reticularis
Adrenal cortex

Nikhil Choudhary
Nikhil Choudhary
Numerade Educator
01:28

Problem 7

Which of the following sets of hormones are antagonists?
a. Insulin and glucagon.
b. Calcitonin and cortisol.
c. Epinephrine and norepinephrine.
d. Growth hormone and thyroxine.

Jocelyn Shackelford
Jocelyn Shackelford
Numerade Educator
02:07

Problem 8

Matching: Match the following endocrine organs with the hormone(s) each secretes.
Pineal gland
A. Antidiuretic hormone and oxytocin
Thyroid gland
B. Insulin and glucagon
Pancreas
C. Aldosterone and cortisol
Thymus
D. Epinephrine and norepinephrine
E. Thyroxine, triiodothyronine, and calcitonin
Hypothalamus
F. Thyroid-stimulating hormone, growth hormone
lalex $\quad \mathrm{~ G . ~ M e}$
G. Melatonin
Adrenal cortex $\quad$ H. Thymosin and thymopoietin
Anterior pituitary
Adrenal medulla

Joanna Quigley
Joanna Quigley
Numerade Educator
03:32

Problem 9

Which of the following is true regarding endocrine organ histology?
a. The thyroid gland consists of rings of stratified cuboidal follicle cells surrounding colloid.
b. The pancreas has an exocrine portion consisting of pancreatic islets and an endocrine portion consisting of acinar cells.
c. The adrenal cortex has three zones of cells that secrete steroid hormones.
d. The adrenal medulla is modified nervous tissue of the parasympathetic nervous system.

Danielle Ashley
Danielle Ashley
Numerade Educator
01:18

Problem 10

In a negative feedback loop, you would expect secretion from an endocrine gland to after homeostasis has been restored.
a. decrease
b. increase
c. remain the same

Aditya Sood
Aditya Sood
Numerade Educator