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ANATOMY [BSC/MSCI] EXAM 1
- A skin layer consisting of predominantly dense irregular connective tissue is
A) corpuscular
B) dermis
C) epidermis
D) stratal
E) hypodermis✔ ✔B) dermis
- Which of the following planes creates right and left sides to the body?
A) transtrabecular
B) parasagittal
C) sagittal
D) horizontal
E) frontal (coronal)✔ ✔C) sagittal
- The Golgi complex
A) produces the mitotic spindle during cellular division
B) is now known to be an artifact produced by staining procedures
C) modifies and packages proteins for secretion
D) is responsible for controlling cellular respiration✔ ✔C) modifies and packages proteins for secretion
- The organelles that are used to: transport chemicals out of the cell; and to carry digestive cellular enzymes.
A) mitochondria
B) basal bodies
C) nucleus
D) vesicles
E) bubbular structures✔ ✔D) vesicles
- In a positive feedback loop, the ___________ increases the ____________.
A) receptor, stimulus
B) response, control center
C) control center, receptor
D) receptor,control center
E) stimulus, response✔ ✔E) stimulus, response
- Starting with the least complex, place the following terms in their proper sequence.
- organ
- cell structure
- tissue
- molecule
- system
A) 5, 4, 3, 2, 1
B) 4, 2, 5, 3, 1
C) 1, 2, 3, 4, 5
D) 4, 2, 3, 1, 5
E) 3, 1, 2, 4, 5✔ ✔D) 4, 2, 3, 1, 5
- Ions (electrolytes) are important because they
A) form tissues
B) move cells
C) break molecules
11.__________ molecules will be soluble in water.
A) polar
B) nonpolar
C) bail bonds✔ ✔A) polar
12.Most of a normal cell's work is done during
A) mitosis
B) metaphase only
C) anaphase and telophase
D) interphase
E) prophase only✔ ✔D) interphase
13.Which of the below structures would contribute to the thermal regulatory function of the skin?
A) all of the above
B) adipose
C) hair
D) sweat✔ ✔A) all of the above
14.The function of enzymes is to
A) accelerate production rates of chemicals
B) create electrons
C) exude atomic nuclei to form proteins
D) move cells into the cell membrane
E) form ionic bonds between amino acids✔ ✔A) accelerate production rates of chemicals
15.The epidermis provides disease resistance by
A) reducing nutrients to bacteria so they fall off with dead skin
B) producing a hormone to reduce bacterial growth
C) killing dermal cells thereby poisoning bacteria
D) dividing continually, dying and then falling off, so bacteria also fall off.✔ ✔D) dividing continually, dying and then falling off, so bacteria also fall off.
16.The dermal layer (dermis) of the skin is primarily made up of
A) elastic connective tissue
B) loose (areolar) connective tissue
C) adipose tissue
D) dense irregular connective tissue✔ ✔D) dense irregular connective tissue
17.Which of the below muscle types is involved in emptying the urinary bladder and the birth process?
A) Skeletal muscle
B) Cardiac muscle
C) Smooth muscle✔ ✔C) Smooth muscle
18.Which of the below is NOT a function of lipids?
A) insulation
B) energy storage
C) enzyme production
D) forming cell membrane
E) hormone production✔ ✔C) enzyme production
19.Directional terms are generally paired as opposites. Which of the following are incorrectly paired?
A) superficial, medial
23.Which of the below tissues would be more likely to prevent water loss and infection?
A) elastic connective tissue
B) stratified squamous epithelium
C) simple squamous epithelial
D) neurons
E) adipose✔ ✔B) stratified squamous epithelium
24.Proteins include all of the following, EXCEPT
A) enzymes
B) antibodies
C) DNA
D) hemoglobin
E) hormones✔ ✔C) DNA
25.Which of the below chemicals would be most likely to diffuse through the plasma membrane, WITHOUT the aid of a transport protein?
A) proteins
B) glucose
C) ions
D) lipids✔ ✔D) lipids
26.The nucleus is primarily responsible for _______ synthesis.
A) protein
B) carbohydrate
C) nucleic acid
D) lipid✔ ✔C) nucleic acid
27.Which of the systems includes the brain and spinal cord.
A) endocrine
B) lymphatic
C) nervous
D) cardiovascular✔ ✔C) nervous
28.Which one of the below systems conserves body water and serves as a line of defense against infection?
A) respiratory
B) endocrine
C) integumentary
D) immune
E) muscular✔ ✔C) integumentary
29.Which of the below bonds must be broken to destroy a protein's structure and therefore its function?
A) relational
B) ionic
C) covalent
D) hydrogen✔ ✔D) hydrogen
30.The process by which most cells distribute and divide their DNA molecules is called____________ while the method for dividing cytoplasm is called___________.
A) exocytosis, mitosis
B) interphase, cytolysis
C) cytokinesis, endocytosis
D) meiosis, cell respiration
D) changing levels of activity (exercise)✔ ✔A) disease or injury
35.A group of connected cells, operating to perform a particular function, is called a(n)
A) system
B) organ
C) tissue
D) organelle✔ ✔C) tissue
36.Most of the adult skeleton consists of
A) hyaline cartilage
B) bone
C) dense regular connective tissue
D) elastic cartilage
E) fibrocartilage✔ ✔B) bone
37.Reaction rates are altered by
pH of the solution
temperature
concentration of reactants
A) 2 only
B) 1, 2, and 3
C) 1 and 2 only
D) 3 only
E) 1 only✔ ✔B) 1, 2, and 3
38.The molecule that serves as the energy transfer molecule in metabolism (by alternately adding and breaking off a phosphate group) is
A) RNAP
B) NADP
C) ATP
D) DNAP
E) TSHP✔ ✔C) ATP
39.The molecular formula H2O means
A) a molecule contains two oxygen atoms and one hydrogen atom
B) a molecule contains two hydrogen atoms and one oxygen atom
C) an atom contains two oxygen molecules and one hydrogen molecule
D) an atom contains two hydrogen molecules and one oxygen molecule✔ ✔B) a molecule contains two hydrogen atoms and one oxygen atom
40.Before mitosis, a typical human body cell contains ________ DNA molecule(s) while after mitosis a typical human body cell contains ________ DNA molecule(s).
A) 46,
B) 46,
C) 23,
D) 1,
E) 23,46✔ ✔A) 46,
41.Which of the following statements is TRUE concerning negative feedback mechanisms?
A) They tend to work to prevent sudden severe changes within the body.
B) They are uncommon in the body.
B) provide cushioning
C) store energy
D) thermal insulation
E) form cell membranes✔ ✔A) promote protein production
46.A connective tissue used for storage of energy is
A) reticular
B) loose (areolar) connective tissue
C) cartilage
D) bone
E) adipose✔ ✔E) adipose
47.The function of DNA is to
A) form bonds in enzymes
B) function in energy storage
C) code for protein production
D) form important components of cell membranes
E) act as structural elements for bone, skin and hair✔ ✔C) code for protein production
48.If the extracellular fluid surrounding a cell contained an abnormally high concentration of Na+ ions (high osmotic pressure), then water would move by _____ to the _____ of the cell.
A) active transport, inside
B) osmosis, outside
C) diffusion, outside
D) osmosis, inside✔ ✔B) osmosis, outside
49.The principal site of ATP production in the cell is the
A) lysosome
B) endoplasmic reticulum
C) mitochondrion
D) Golgi complex
E) cytoplasm✔ ✔C) mitochondrion
50.Which of the below components of a cell membrane are responsible for molecule transport and cell identification
A) phospholipids
B) cholesterol
C) activated agents
D) protein✔ ✔D) protein
