ATI- TEAS 7 WITH CORRECT ANSWERS (A+)

Which of the following occurs in the cardiac cycle if the impulse triggered at the
sinoatrial node never reaches the Purkinje fibers of the heart? - CORRECT ANSWERS-
The ventricles will not contract

Which of the following describes the link between damaged villi and malnutrition -
CORRECT ANSWERS-Damaged villi decrease the nutrient-absorbing surface area in
the gastrointestinal tract

Which of the following organs is responsible for the majority of the chemical digestion
and absorption of nutrients in the digestive system? - CORRECT ANSWERS-Small
intestine
This is the primary function of the small intestine.

Contraction occurs when the thin ___ filaments slide past the thicker ____ filaments,
causing the sarcomere unit to shorten or contract. - CORRECT ANSWERS-actin and
myosin

The endocrine system is a collection of ductless glands that produce which of the
following responses - CORRECT ANSWERS-A slowly initiating but prolonged response
on other body systems

Which of the following glands has an exocrine function and aids in the regulation of
blood glucose - CORRECT ANSWERS-pancreas

Which of the following term refers to the middle layer of the skin that is made of
connective tisssue - CORRECT ANSWERS-Dermis

Which of the following is produced by the skin when a cholesterol based precursor is
modified by the presence of ultraviolet radiation? - CORRECT ANSWERS-Vitamin D

Which of the following types of bone cells perform mineral resorption - CORRECT
ANSWERS-osteoclasts

Inside of adult long bones, yellow bone marrow is located within which of the following?
- CORRECT ANSWERS-medullary cavity

Which of the following types of tissue serves to fasten and support body parts -
CORRECT ANSWERS-Connective

Which of the following leaves the body via deferens - CORRECT ANSWERS-Gametes


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, Which of the following reproductive organs produces sperm in males and ova in females
- CORRECT ANSWERS-Gonads

Which of the following is the term used to describe an action potential jumping from
node to node in an axon - CORRECT ANSWERS-Saltatory conduction

what is a non infectious diseases? - CORRECT ANSWERS-not caused by person to
person.

what is an example of noninfectious disease? - CORRECT ANSWERS-heart disease,
diabetes, cancer

what is direct contact? and examples - CORRECT ANSWERS-direct contact with
mucous membrane or broken skin (sex, kissing, shacking hands)

what is indirect contact? and examples - CORRECT ANSWERS-touching an object an
infected person has toughed (touching a door knob)

what are vectors? and examples - CORRECT ANSWERS-they carry and transmit
disease (misquotes, tics, and fleas)

what are protons? - CORRECT ANSWERS-positive charge

what are neutrons? - CORRECT ANSWERS-neutral charge

what are electrons? - CORRECT ANSWERS-negative charge?

what are isotopes? - CORRECT ANSWERS-atoms of the same element, but different
neutrons

what is the atomic mass? - CORRECT ANSWERS-total of protons and neutrons

what is the atomic number? - CORRECT ANSWERS-the number of protons in a atom

what is the negative charge? - CORRECT ANSWERS-more electrons than protons

what is the positive charge? - CORRECT ANSWERS-more protons than electrons

what is an ion? - CORRECT ANSWERS-atoms that have gained or lost electrons and
have a positive or negative charge

what is a cation? - CORRECT ANSWERS-atoms that have lost one or more electrons.
resulting in a positive in a charge

what is an anion? - CORRECT ANSWERS-actions that have gained one or more
electrons. resulting in a negative charge


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