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20. _________ secrete oil into hair follicles or onto the surface of the skin. a

ID: 60437 • Letter: 2

Question

20. _________ secrete oil into hair follicles or onto the surface of the skin.        

a. apocrine sweat glands

                  b. ceruminous glands

                  c. mammary glands

                  d. merocrine sweat glands

                  e. sebaceous glands

21. ______ are located within the skin that covers most body and synthesize and secrete a watery sweat into hair follicles or onto the surface of the skin.

a. apocrine sweat glands

                  b. ceruminous glands

                  c. mammary glands

                  d. merocrine sweat glands

                  e. sebaceous glands

22. _____ secrete a sticky substance into the ear canal.

a. apocrine sweat glands

                  b. ceruminous glands

                  c. mammary glands

                  d. merocrine sweat glands

                  e. sebaceous glands

23. ____ secrete a sticky and odorous sweat into hair follicles in the armpits and groin regions.

a. apocrine sweat glands

                  b. ceruminous glands

                  c. mammary glands

                  d. merocrine sweat glands

                  e. sebaceous glands

24. ______ synthesize and secrete milk onto the surface of the nipple.

a. apocrine sweat glands

                  b. ceruminous glands

                  c. mammary glands

                  d. merocrine sweat glands

                  e. sebaceous glands

                 

25. All of the following are true of skeletal muscle cells except_____.

a. they are attachéd to one another by desmosomes

b. they are multinucleate

c. they may approach a half meter in length

d. they require stimulation by the central nervous system to contract

e. they are striated in appearance

                 

26. Which of the following is correct of smooth muscle?

a. smooth muscle cells are striated in appearance

b. smooth muscle functions to move the skeleton

c. smooth muscle cells require input by the nervous system to contract

d. smooth muscle is located in the walls of organs with lumens

e. smooth muscle cells do not contain actin or myosin in the cytoplasm

                 

27. All of the following are true of cardiac muscle except____.

a. cardiac myocytes require stimulation by the central nervous system to contract

b. cardiac myocytes are uninucleate

c. cardiac myocytes are connected to one another via intercalated discs

d. cardiac muscle tissue functions to pump blood

e. cardiac myocytes store glycogen

28. _________ originate(s) from the connective tissue sheaths of muscle and function to connect muscle to bone.

                  a. tendons

                  b. endosteum

                  c. periosteum

                  d. ligaments

                  e. cartilage

29. _________ is/are a type of connective tissue and function(s) to connect bone to bone.

                  a. endosteum

                  b. tendons

                  c. periosteum

                  d. ligaments

                  e. cartilage

30. The _______ is a thin tissue that tightly surrounds the surface of bone and functions to protect the bone and enable the repair of fractures.

                  a. endosteum

                  b. perimysium

                  c. periosteum

                  d. ligaments

Explanation / Answer

20. sebaceous glands secrete oil into hair follicles or onto the surface of the skin. The sebaceous glands are oil glands found in dermis. Option e is correct.

21. Apocrine sweat glands are located within the skin that covers most body and synthesize and secrete a watery sweat into hair follicles or onto the surface of the skin. Option a is correct.

22. Ceruminous glands secrete a sticky substance into the ear canal. Option b is correct.

23. Merocrine sweat glands secrete a sticky and odorous sweat into hair follicles in the armpits and groin regions. Option d is correct.

24. Mammary glands synthesize and secrete milk onto the surface of the nipple. Option c is correct.

25. All of the following are true of skeletal muscle cells except they are attachéd to one another by desmosomes. Option a is correct.

26. Smooth muscle is located in the walls of organs with lumens. Option d is correct.