Question Which of the following is NOT considered anatomical position

10 Jun Question Which of the following is NOT considered anatomical position

Question
Question

Which of the following is NOT considered anatomical position?

Standing erect

Palms facing backward

Face forward

Toes pointing forward

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The spinal cord is __________ to the esophagus.

anterior

posterior

ventral

inferior

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The lungs would be found in which cavity?

Spinal cavity

Abdominal cavity

Mediastinum

Pleural cavity

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Which refers to a membrane attached to the surface of a lung?

Visceral pleura

Parietal pleura

Visceral peritoneum

Parietal peritoneum

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The arm is which region?

Cephalic

Lumbar

Brachial

Pectoral

Question

Which two cavities does the diaphragm separate?

Abdominal and pelvic

Dorsal and ventral

Thoracic and abdominal

Cranial and spinal

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Question 81 pts

Which part of the body plays a major part in support, movement, and protection?

Nervous system

Endocrine system

Skeleton

Cardiovascular system

Question

If a person was diagnosed as having a tumor in the dorsal cavity, where might you expect to find it?

Abdominal or pelvic cavities

Superior or inferior cavities

Thoracic or abdominal cavities

Cranial or spinal cavities

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The cheek is which region?

Occipital

Buccal

Oral

Mental

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Most of the liver is found in which abdominopelvic region?

Left iliac

Right lumbar

Umbilical

Right hypochondriac

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How many different amino acids compose all human polypeptides (proteins)?

10

15

20

25

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What is the role of an enzyme in a chemical reaction?

Raises the energy of activation

Raises the temperature of the reaction

Lowers the energy of activation

Lowers the temperature of the reaction

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When one atom has a stronger attraction for shared electrons in a bond than the other atom, a(n) ___________ covalent bond is formed.

polar

nonpolar

ionic

metallic

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The number of protons in an atom is called the

atomic number.

atomic weight.

mass number.

combining weight.

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The ability of water molecules to cling to each other is _________, while the ability to cling to other surfaces is ___________.

cohesion; adhesion

dissolving; vaporization

adhesion; cohesion

cohesion; dissolving

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Different forms of the same element with different numbers of neutrons are called

molecules.

compounds.

isotopes.

lattices.

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Which of the following is NOT a nitrogen base found in DNA?

Uracil

Adenine

Guanine

Cytosine

Question

The smallest unit of matter is the

molecule.

atom.

compound.

isotope.

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What role can inorganic metals such as iron or zinc have in a reaction?

A catalyst

A coenzyme

A substrate

A cofactor

Question

The backbone or sides of a DNA helix consists of

nitrogen base pairs.

sugar-phosphate chain.

adenine-ribose chain.

glucose-phosphate chain.

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Atoms with more than one shell are most stable when the outermost shell contains _____ electrons.

10

1

8

6

Question

Active transport

moves materials against their concentration gradients.

requires energy.

occurs in cells with many mitochondria.

All apply.