Physiological Effects of Malnutrition Quiz

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What is the main characteristic of apoptosis?

Results in cell shrinking before orderly degradation (correct)

Causes necrosis of adjacent cells

Triggers an inflammatory response

Requires energy from adjacent cells

Which statement about neoplasia is correct?

Neoplastic transformation is reversible after removal of stimuli

Benign tumors are more aggressive than malignant tumors

Neoplasia involves growth that exceeds that of normal tissues (correct)

Neoplastic growth is always regulated by the body

What describes the process of autolysis?

Rigor mortis causing cells to break apart

Muscle contraction after death due to ATP release

Lysosome enzymes degrading cell constituents post-death (correct)

Leakage of Ca++ ions leading to muscle stiffening

In neoplasia, what does 'autonomous growth' mean?

Tumor growth independent of body regulation Signup and view all the answers

What happens during apoptosis in terms of energy requirement?

Apoptosis is an energy-independent process Signup and view all the answers

Which of the following is a characteristic of hypoxia?

Decreased oxygen supply to tissues Signup and view all the answers

What is the primary cause of cell swelling?

Disruption of ion pumps in the cell membrane Signup and view all the answers

Which of the following is a characteristic of the inflammatory response?

Accumulation of inflammatory cells and mediators Signup and view all the answers

Which of the following is a characteristic of cellular metabolism?

Decreased ATP production during ischemia Signup and view all the answers

Which of the following is a consequence of prolonged hypoxia?

Activation of apoptotic pathways Signup and view all the answers

What is the primary mechanism by which inflammation can contribute to tissue injury?

Release of reactive oxygen species Signup and view all the answers

What is the primary response to increased workload in muscle cells?

Increase in cell size Signup and view all the answers

Which type of atrophy involves a decrease in organ size due to reduced numbers of cells?

Numerical atrophy Signup and view all the answers

What is the type of atrophy that occurs during normal growth and development?

Physiological atrophy Signup and view all the answers

What is the term for the condition where an organ 'wastes away' secondary to HIV or other diseases?

Cachexia Signup and view all the answers

Which condition involves inadequate blood flow to tissues?

Oligemia Signup and view all the answers

What is the process characterized by an increase in the number and size of organelles within cells?

Hypertrophy Signup and view all the answers

Physiological Effects of Malnutrition Quiz

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