A&P module 5

The length of the cardiac cycle is normally ________ second(s) in length.

0.8 seconds

The electrocardiogram (ECG) wave that results from the firing of the sinoatrial (SA) node is the ________ wave.

P

T or F: An intervertebral joint is an example of a symphysis joint.

True

T or F: Cartilaginous joints connect bones with cartilage, do not have a joint cavity, and can be classified as symphyses and synchondroses.

True

When the arm is lifted out to the side, the arm is performing _____.

abduction

When performing jumping jacks, the shoulder is exhibiting _____ and the hip is exhibiting _____

abduction;abduction

Blood leaves the left ventricle through an artery known as the ________

aorta

Which of these pathways correctly traces blood as it travels from the aortic arch to the left arm?

aortic arch, left subclavian artery, left axillary artery, left brachial artery

____ found in the elbow joint of a chicken protects the bones from rubbing together.

articular cartilage

a joint may also be called

articulation

The two superior receiving chambers of the heart are known as the ________, while the two inferior discharging chambers of the heart are known as the

atria, ventricle

The first heart sound, "lub," is caused by the closure of the ________ valves

atrioventricular

The valves located between the atria and ventricles are known as the ________ valves.

atrioventricular (AV)

The shoulder joint is classified as a _____ joint.

ball and sockety

Substances tend to leave the bloodstream at the arterial end of the capillary because ________.

blood pressure is higher at the arterial end of the capillary

Which type of vessel is constructed only from tunica intima?

capillaries

The tiny white cords that anchor the cusps or flaps of endocardium to the walls of the ventricles are called the ________.

chordae tendineae

When ventricles ________, the AV valves are closed

contract

Oxygenated blood nourishing the myocardium comes from vessels that branch off the aorta called ________.

coronary arteries

The coronary veins empty blood from the myocardium into a large vein on the posterior side of the heart known as the ________.

coronary sinus

T or F: During movements such as knee flexion and extension, no rotation occurs because the knee is a hinge joint

false

_____ joints are connected by dense regular connective tissue.

fibrous

When bending to pick up a pencil, the knees are performing _____.

flexion

Which fetal shunt bypasses the lungs by directly connecting the right atrium and the left atrium?

foramen ovale

Placing the right hand over the heart from anatomical position would require crossing the _____ plane.

frontal, sagittal and transverse

Joints that bind teeth to the bony socket by fibrous tissue are called _____ joints.

gomphoses

The bicuspid valve is also referred to as the ________ valve.

mitral

veins ___________.

often have valves to prevent the backflow of blood

The sinoatrial node, located in the right atrium of the heart, is often called the ________.

pacemaker

The friction blood encounters as it flows through the vessels is called ________.

peripheral resistance

The transportation of blood from the right side of the heart to the lungs and back to the left side of the heart is known as ________ circulation.

pulmonary

Which one of the following areas is NOT a pressure point?

renal artery

T or F: Muscle attachments must cross at least one joint for movement to occur.

true

T or F:Saddle joints contain two bones with opposite fitting shapes that allow flexion, extension, abduction, adduction, and circumduction.

true

The correct sequence of layers of a typical blood vessel, from superficial to deep, are ________.

tunica externa, tunica media, tunica intima

Which of the following vessels has the lowest blood pressure?

vena cava

T or F: The knee joint, like most joints, is not complex

False

When lifting the foot from the gas pedal of a car, an individual is performing _____.

dorsiflexion

The visceral layer of the serous pericardium is actually the same layer as the

epicardium

A chicken wing "elbow" performs _____.

extension

The walls of the ________ are substantially thicker because that chamber acts as the more powerful systemic pump of the heart.

left ventricle

When two bones are connected by ligaments, the joint may be classified as a _____.

suture

The term that means heart contraction is ________.

systole