A&P Exams

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An acid with a pH of six has _________ hydrogen ions than pure water

10-fold more

Place the following in correct sequence from simplest to most complex: 1. molecules 2. atoms 3. tissues 4. cells 5. organs

2-1-4-3-5

Atom X has 17 protons. How many electrons are in its valence shell?

7

Which organelle is responsible for processing and packaging proteins destined for export from the cell?

Golgi apparatus

Beta cells in the pancreas produce and secrete the protein hormone insulin. You would expect to see a relatively large amount of which organelles in these cells

Golgi apparatus, rough endoplasmic reticulum

Which of the following organs or structures would be found in the left iliac region?

Intestines

Anatomical position is important because ________.

It allows a common point of reference for a body position to help communicate anatomical relationships

Clinical Question: Your patient is sitting in your office for a pre-operative appointment and asks you why he will be given a saline IV rather than one containing pure sterile water. What is your response?

It is because if pure water was given to you the water would swell the blood cells which may cause the blood cell to burst whereas the saline allows for an equal concentration for your blood cells

In which stage of mitosis do the identical sets of chromosomes line up along the midline or equator of the cell?

Metaphase

Myocardium (cardiac muscle tissue) must rhythmically contract for a lifetime. This requires a considerable amount of energy production by the cells. You would expect to see a relatively large amount of which organelle in the cells?

Mitochondria

A red blood cell placed in pure water would ____________.

Swell and burst

Amino acids joined together to make a peptide is a good example of a(n) _________ reaction

Synthesis

One of the descriptions below is from the perspective of physiological study, the rest are from an anatomical perspective. Select the description below that comes from physiological perspective.

The contraction of smooth muscle and blood vessels (vasoconstriction) can reduce the flow of blood to the vessel.

One of the descriptions below is from a perspective of anatomical study, the rest are from a physiological perspective. Select the description below that comes from an anatomical perspective.

The innermost lining of the lungs is composed primarily of a thin tissue called simple squamous epithelium

Phospholipids make up most of the liquid part of the cell membrane. Since water exist on both the outside and inside of a cell, which of the following phospholipid arrangements make the most sense?

To back to back phospholipid layers with the polar head spacing out on both sides.

Generally what is the result of the negative feedback process?

To maintain homeostasis

Match the following systems and organs

Urinary: Kidneys, bladder, uterus Digestive:Esophagus, large intestine, rectum Cardiovascular: Arteries, veins, heart Endocrine:Adrenal glands, pancreas, pituitary Respiratory:Trachea, bronchi, alveoli

Which of the following statements is false? a. The more hydrogen ions in a solution, the more acidic than a solution b. When the hydrogen ion concentration decreases, the hydroxyl ion concentration also decreases c. When acids and bases are mixed, they react with each other to form water and salt d. The pH of blood is slightly basic

b. When the hydrogen ion concentration decreases the hydroxyl ions concentration also decreases

The coxal joint is most likely found in ________ region of the body.

hip

Salts are always ________.

ionic compounds

Which of these is not part of the dorsal cavity?

thoracic cavity


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