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Human Physiology

Chapters 1-6

QuestionAnswer
Intrinsic control: is sometimes called autoregulation.
If the secretion of oxytocin during childbirth operated as a negative-feedback control loop, what effect would it have on uterine contractions? Oxytocin would inhibit uterine contractions.
The type of lipids found that form hormones, such as cortisone, estrogen, and testosterone are: prostaglandins.
Unsaturated fats: will kink or bend because of the double bonds between the carbon atoms.
All proteins have which four elements? carbon, oxygen, hydrogen, and nitrogen
Which term means "water loving" and applies to the phospholipid head? hydrophilic
Which of the following phases is NOT correctly matched with its description? anaphase- mitosis is complete
Which of the following is an active transport process? endocytosis
Mitosis is subdivided into four phases, including all of the following except karyophase
The two processes of protein synthesis are transcription and translation.
The correct order of the phases of mitosis is: prophase, metaphase, anaphase, telophase
Which of the following is not true of RNA? It contains deoxyribose sugar
Twenty-three chromosomes per cell in humans is referred to as: haploid
All of the following occur as a result of meiosis except: chromosome number remains at 46
NaCl would move through the cell membrane in which direction? Both into and out of the cell
Of the five epidermal cell layers, the only one that can undergo mitosis is the stratum: basale
Which of the following is not a characteristic of muscle tissue? Cells are separated by a large quantity of extracellular matrix
The hypodermis connects the dermis to underlying tissues
Connective tissue forms from stem cell tissue called: mesenchyme
A tissue is: a group of similar cells that perform a common function
Hematopoietic tissue can be found in the: bones
Hematopoiesis is carried out in the red bone marrow
In intramembranous ossification, the process of appositional growth refers to the: addition of an outside layer of osseous tissue on flat bones.
The humerus articulates proximally with the scapula
Which of the following is not a characteristic of the diaphysis? Provides a bulbous shape for attachment of muscle.
Which of the following is NOT CONSIDERED a long bone. C5 Vertebral body
Which function of the skeletal system would be especially important if you were in a car accident? protection of internal organs
The four kinds of protein that make up myofilaments are myosis, actin, tropomyosin, and troponin.
Three phases of the twitch contraction are the latent period, contraction phase, and relaxation phase.
The joint present during the growth years between the epiphyses of a long bone and its diaphysis is the synchrondrosis
A contraction in which muscle length remains the same but muscle tension increases is called an isometric contraction
Joints joined by fibrocartilage are called symphyses
The muscle's ability to stretch or extend and to return to its resting length is called extensibility
Which chemicals allow neurons to communicate with one another? neurotransmitters
The difference between sodium and potassium in the generation of action potential is that: sodium causes depolarization of the cell membrane, and potassium causes repolarization of the cell membrane.
Created by: elaine.mancilla
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