1
ANATOMY AND PHYSIOLOGY MIDTERM (TCDHA)
EXAM STUDY GUIDE 2024/2025 ALREADY GRADED
A+.
What is the name of the special cardiac cells that work with the autonomic
nervous system to tell the heart to speed up or slow down the rate of the
heartbeat? - (ANSWER)Pacemaker cells
Organelles within the muscle cell are named using the prefix sarco-meaning, -
(ANSWER)Flesh
What divided the left and right sides of the heart? - (ANSWER)Cardiac Septum
During which phase of a heartbeat is the heart filled with blood? -
(ANSWER)Diastole
Individual muscle fibers are wrapped in a connective tissue called -
(ANSWER)Epimysium
Which layer of the heart wall initiates contractions that pump blood? -
(ANSWER)Myocardium
Where do electrical impulses start in the heart? - (ANSWER)SA node
Muscles react to stimuli with graded responses. These responses determine how
much a muscle will ___________ during contraction. - (ANSWER)shorten
, 2
Which heart valve regulates blood flow from the left atrium into the left
ventricle? - (ANSWER)Mitral valve
Which type of blood vessel surrounds tissues and cells? - (ANSWER)Capillaries
Contraction in a muscle occurs from the stimulation of _______ -
(ANSWER)Muscle fibers
What are the two upper chambers of the heart called? - (ANSWER)Atria
Which is the innermost layer of the blood vessel? - (ANSWER)Tunica intima
Skeletal muscle cells are long and _______ - (ANSWER)Cylindrical
Which layer of skin produces skin oil? - (ANSWER)Dermis
Which type of blood vessel carries blood toward the heart? - (ANSWER)Vein
The amount of ______ sent from the nervous system affects how smoothly a
muscle will contract. - (ANSWER)Stimulation
The heart's size is similar to that of ________ - (ANSWER)an adult's fist
ANATOMY AND PHYSIOLOGY MIDTERM (TCDHA)
EXAM STUDY GUIDE 2024/2025 ALREADY GRADED
A+.
What is the name of the special cardiac cells that work with the autonomic
nervous system to tell the heart to speed up or slow down the rate of the
heartbeat? - (ANSWER)Pacemaker cells
Organelles within the muscle cell are named using the prefix sarco-meaning, -
(ANSWER)Flesh
What divided the left and right sides of the heart? - (ANSWER)Cardiac Septum
During which phase of a heartbeat is the heart filled with blood? -
(ANSWER)Diastole
Individual muscle fibers are wrapped in a connective tissue called -
(ANSWER)Epimysium
Which layer of the heart wall initiates contractions that pump blood? -
(ANSWER)Myocardium
Where do electrical impulses start in the heart? - (ANSWER)SA node
Muscles react to stimuli with graded responses. These responses determine how
much a muscle will ___________ during contraction. - (ANSWER)shorten
, 2
Which heart valve regulates blood flow from the left atrium into the left
ventricle? - (ANSWER)Mitral valve
Which type of blood vessel surrounds tissues and cells? - (ANSWER)Capillaries
Contraction in a muscle occurs from the stimulation of _______ -
(ANSWER)Muscle fibers
What are the two upper chambers of the heart called? - (ANSWER)Atria
Which is the innermost layer of the blood vessel? - (ANSWER)Tunica intima
Skeletal muscle cells are long and _______ - (ANSWER)Cylindrical
Which layer of skin produces skin oil? - (ANSWER)Dermis
Which type of blood vessel carries blood toward the heart? - (ANSWER)Vein
The amount of ______ sent from the nervous system affects how smoothly a
muscle will contract. - (ANSWER)Stimulation
The heart's size is similar to that of ________ - (ANSWER)an adult's fist
